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The ASC Engineered Solutions 830053609 is a black steel pipe nipple sized at 4 inches by 4 inches. A pipe nipple is a short length of pipe threaded on both ends, used to connect two fittings, valves, or other piped components in a run. This nipple is manufactured from black steel, making it suitable for gas distribution, steam, and industrial fluid piping systems where corrosion resistance from coatings is not the primary requirement. It weighs 2.58 pounds and is a non-domestic import product. Licensed plumbers, pipefitters, and gas service technicians are the typical installers for fittings of this type.
This black steel nipple is used in residential and commercial piping applications including natural gas supply lines, propane distribution, steam systems, and low-pressure air lines. The 4-inch by 4-inch sizing positions it as a close or short nipple in larger-diameter piping runs where a rigid, compact threaded connection is needed between two pipe components. It is well-suited for retrofit and new-construction plumbing and gas piping work.
Designed as a standard threaded black steel pipe nipple for use in 4-inch gas, steam, or fluid piping systems where black steel fittings are specified.
Installation of black steel pipe nipples on gas lines must be performed by a licensed plumber or gas fitter in accordance with applicable codes such as the International Fuel Gas Code (IFGC) or local jurisdiction requirements. Shut off the gas supply and verify the line is fully depressurized before disassembling or connecting any fittings. Use an appropriate pipe thread sealant or PTFE tape rated for gas service on all threaded joints. Inspect all connections for leaks after pressurizing the system.
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